Notice of a death of a President: On the day after receipt of notification of the death of the president, ex-president, or president-elect of the United states, unless this day falls upon a Sunday or holiday in which case the honor will rendered on the day after the Sunday or holiday, the commanding officers of all Army installations with the necessary personnel and material will require the following. One gun to be fired every half hour, beginning at reveille and ending at retreat. All troops at Army installations and the cadets at the U.S. Military Academy to be formed at 10 a.m. hours and the official notification of death will be read. - On the day of the interment, a 21-minute gun salute will be fired commencing at noon at all military installations with the necessary personnel and the material. Guns will be fired at one-minute intervals. Service members are not required to salute.
In addition, on the day of the interment, a 50-gun salute will be fired at retreat at all military installations equipped with the necessary personnel and the materials. This salute will be fired at five-second intervals immediately following lowering of the flag. Personnel will not salute. Notice of death of Vice President:On the day after receipt of notification of the death of the vice president of the United States, unless this day falls upon a Sunday or holiday, in which case the honor will be rendered on the day after the Sunday or holiday, the commanding officers at all installations with the necessary personnel and material installations with necessary personnel and material. If the remains are removed from the immediate vicinity of the place of death, all troops along the route of the funeral train will be paraded to render appropriate honors. Provided by... Military District of Washington Other References | Tributes Flags and Accessories for Display | 
